British Library policy statements for name of timespan

British Library: Apply in appropriate automated processes.

British Library: Apply. Exception: If a date is not of the Gregorian or Julian calendar, then add a corresponding date from a source outside the manifestation being described unless unduly onerous.

British Library: Do not apply.

British Library: Apply. Exception: Early Printed Resources: Do not apply.

British Library: Apply in appropriate automated processes. Exception: Early Printed Resources: Apply DCRMR.

British Library: Do not apply.

British Library: Cataloguer's judgement.